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SparkPost Invalid Bounce Domain

The bounce domain is not verified or incorrectly configured.

Understanding SparkPost: A Powerful Email Communication API

SparkPost is a leading email delivery service that provides a robust API for sending and tracking emails. It is widely used by developers and businesses to ensure reliable email communication. SparkPost offers features like real-time analytics, advanced email templates, and high deliverability rates, making it a preferred choice for email communication needs.

Identifying the Symptom: Invalid Bounce Domain

When using SparkPost, you might encounter an error message indicating an 'Invalid Bounce Domain'. This error typically appears when attempting to send emails, and it prevents successful email delivery. The error message might look something like this: "Invalid bounce domain: domain.com".

What is a Bounce Domain?

A bounce domain is used to handle bounced emails, which are emails that cannot be delivered to the recipient. It is crucial for managing email deliverability and maintaining a good sender reputation.

Exploring the Issue: Why the Error Occurs

The 'Invalid Bounce Domain' error occurs when the bounce domain is not properly verified or configured in SparkPost. This can happen due to missing or incorrect DNS records, or if the domain has not been verified within the SparkPost platform.

Common Causes of the Error

  • The bounce domain is not added or verified in SparkPost.
  • DNS records for the bounce domain are incorrectly configured.
  • There are typos or errors in the domain name.

Steps to Fix the Invalid Bounce Domain Issue

To resolve the 'Invalid Bounce Domain' error, follow these steps:

Step 1: Verify the Bounce Domain in SparkPost

First, ensure that the bounce domain is added and verified in your SparkPost account:

  1. Log in to your SparkPost account.
  2. Navigate to Sending Domains under the Account section.
  3. Check if your bounce domain is listed and marked as verified. If not, add the domain and follow the verification process.

Step 2: Configure DNS Records Correctly

Ensure that the DNS records for your bounce domain are correctly configured:

  1. Access your domain's DNS settings through your domain registrar or hosting provider.
  2. Add or update the required DNS records as specified by SparkPost. This typically includes a CNAME record for the bounce domain.
  3. Verify the DNS changes using tools like What's My DNS to ensure they have propagated correctly.

Step 3: Re-test Email Sending

After verifying the domain and updating DNS records, attempt to send an email again. If the configuration is correct, the 'Invalid Bounce Domain' error should no longer appear.

Conclusion

By ensuring that your bounce domain is verified and DNS records are correctly configured, you can resolve the 'Invalid Bounce Domain' error in SparkPost. This will help maintain your email deliverability and ensure smooth email communication. For further assistance, refer to the SparkPost Developer Documentation.

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